body {
    background-color: #f0f0f2;
    margin: 0;
    padding: 0;
    font-family: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif
}

.BOX {
    width: 600px;
    margin: 5em auto;
    padding: 2em;
    background-color: #fdfdff;
    border-radius: 0.5em;
    box-shadow: 2px 3px 7px 2px rgba(0, 0, 0, 0.02)
}

a:link,
a:visited {
    color: #38488f;
    text-decoration: none
}

@media(max-width:700px) {
    .BOX {
        margin: 0 auto;
        width: auto
    }
}

input {
    width: 100%;
    height: 20px;
    margin: 3px;
}

.btn {
    display: inline-block;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
    padding: 7px 12px;
    font-size: 20px;
    line-height: 1.42857143;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.btn.btn-green {
    color: #fff;
    background-color: #5cb85c;
    border-color: #4cae4c;
}

.btn.btn-red {
    color: #fff;
    background-color: #d9534f;
    border-color: #d43f3a
}

.btn:focus,
.btn:active:focus,
.btn.active:focus,
.btn.focus,
.btn:active.focus,
.btn.active.focus {
    outline: 5px auto -webkit-focus-ring-color;
    outline-offset: -2px
}

.btn:hover,
.btn:focus,
.btn.focus {
    color: #333;
    text-decoration: none
}

.btn:active,
.btn.active {
    outline: 0;
    background-image: none;
    -webkit-box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125)
}